Former Owner
- Notre-Dame monastery (Ambert, France)1
- Omaha Public Library1
- Otto Haas1
- Otto Orren Fisher1
- Paolo Gallo1
- Paul Gottschalk1
- Paul Sabatier1
- Petrus Hofstede1
- Philip C. Duschnes Rare Books & First Editions1
- Pierre Pithou1
- Poor Clares1
- Prediger (Schwäbisch Gmünd)1
- Richard Heber1
- Richard Priestley1
- Robert Hoe III1
- Robert Lyle1
- Rudolf Busch1
- Saint-Amand Abbey1
- Samuel H. Putnam1
- San Barnaba Church1